合成材料老化与应用2016,Vol.45Issue(6):25-28,58,5.
PET热分解机理及热分解寿命方程研究∗
Study on the Thermal Decomposition Mechanism of PET and the Thermal Degradation Life Equation
摘要
Abstract
This experiment uses PET special granular of mineral water bottle,by thermal analysis technique in different heating rates obtained PET thermal decomposition curves. By Kissinger method and Freeman Carroll meth-od on the thermal decomposition curve processing,get the pet apparent activation energy E is about 302. 36kJ·mol-1 , referring of the factor A is 4. 2 × 1023 min-1 and the reaction order n is 0. 5. And through the Arrhenius equation to get the PET thermal degradation life equation:lnt=21695/T-31. 71.关键词
PET/热分解曲线/阿仑尼乌斯方程/热分解寿命方程Key words
PET/thermal decomposition curve/Arrhenius equation/thermal decomposition life equation分类
化学化工引用本文复制引用
高建国,李洋,刘洋,匡莉,宋国君,李培耀,孙常勇,郭兵..PET热分解机理及热分解寿命方程研究∗[J].合成材料老化与应用,2016,45(6):25-28,58,5.基金项目
科技部质检行业公益项目“食品接触材料生物安全性、失效分析及使用寿命评价的研究”(201410083) (201410083)